"The magnetic hard disk's tenure as a critical part of the storage technology mosaic is entering its sixth decade, and it shows no sign of ending any time soon. However, certain limitations imposed by rotating media have been coming to the fore lately, and SSDs, which can in theory resolve all these problems, have long been hailed as the eventual successor technology for mass storage. If UK-based startup Dataslide has its way, though, magnetic recording media will get at least one last hurrah, in the form of a new technology called Hard Rectangular Drive."